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fix(autocmd): skip empty comma-separated patterns properly

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Problem: empty comma-separated patterns in an aupat aren't skipped correctly.
Solution: skip consecutive commas in an aupat.

Also simplify the logic.
This commit is contained in:
Sean Dewar
2025-12-20 14:00:10 +00:00
parent 6d2330f50d
commit 1cde71233f
3 changed files with 71 additions and 48 deletions
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12
src/nvim/api/autocmd.c
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@@ -823,12 +823,10 @@ static Array get_patterns_from_pattern_or_buf(Object pattern, bool has_buffer, B
if (pattern.type != kObjectTypeNil) {
if (pattern.type == kObjectTypeString) {
const char *pat = pattern.data.string.data;
size_t patlen = aucmd_pattern_length(pat);
size_t patlen = aucmd_span_pattern(pat, &pat);
while (patlen) {
kvi_push(patterns, CBUF_TO_ARENA_OBJ(arena, pat, patlen));
pat = aucmd_next_pattern(pat, patlen);
patlen = aucmd_pattern_length(pat);
patlen = aucmd_span_pattern(pat + patlen, &pat);
}
} else if (pattern.type == kObjectTypeArray) {
if (!check_string_array(pattern.data.array, "pattern", true, err)) {
@@ -838,12 +836,10 @@ static Array get_patterns_from_pattern_or_buf(Object pattern, bool has_buffer, B
Array array = pattern.data.array;
FOREACH_ITEM(array, entry, {
const char *pat = entry.data.string.data;
size_t patlen = aucmd_pattern_length(pat);
size_t patlen = aucmd_span_pattern(pat, &pat);
while (patlen) {
kvi_push(patterns, CBUF_TO_ARENA_OBJ(arena, pat, patlen));
pat = aucmd_next_pattern(pat, patlen);
patlen = aucmd_pattern_length(pat);
patlen = aucmd_span_pattern(pat + patlen, &pat);
}
})
} else {